The World Health Organization’s chief said Saturday that the monkeypox outbreak was a deeply concerning evolving threat but did not currently constitute a global health emergency. WHO director-general Tedros Adhanom Ghebreyesus convened a committee of experts on Thursday to advise him whether to sound the UN health agency’s strongest alarm over the outbreak. A surge of monkeypox cases has been detected since early May outside of the West and Central African countries where the disease has long been endemic. Most of the new cases have been in Western Europe. More than 3,200 confirmed cases and …